Transformer Ferrite Cores

Some transformers feature ferrite cores, which act as a means to transfer magnetic flux within the transformer. While less common than laminated iron cores, ferrite cores allow for superior performance.

How transformer ferrite cores work

These devices are commonly parts of switched-mode power supplies. The ferrite in the core is in powdered form, which allows the transformer to operate at very high frequencies. The devices can handle a great deal of power without huge increases in the size of the device.

Types of transformer ferrite cores

Different transformer ferrite cores are intended to be used with specific kinds of equipment. These include broadband transformers, DC/DC converters, flat transformers, power transformers, reactors, switch mode power supply (SMPS ) transformers, and transmitters.

In addition to length, depth, and width, transformer ferrite cores also vary in their minimum and maximum operating temperatures. It is important to consider the operating temperature of the equipment that the core will be used in when choosing between cores. For instance, between one with a maximum temperature of +125°Cand another with one of +210°C.


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Description Price Accessory Type For Use With Dimensions AL Rating Material Depth Length Width Maximum Temperature Series Input Voltage Range Maximum Operating Temperature Minimum Operating Temperature Standards Met
RS Stock No. 167-0378
Mfr. Part No.B67345B0001X087
BrandEPCOS
SGD55.44
Each (In a Box of 8)
units
U 93/104/30 Power transformer 93 x 76 x 30mm 5700nH N87 30mm 93mm 76mm - - - - - -
RS Stock No. 647-9648
Mfr. Part No.B67345B0001X087
BrandEPCOS
SGD55.44
Each
units
U 93/104/30 Power transformer 93 x 76 x 30mm 5700nH N87 30mm 93mm 76mm - - - - - -
RS Stock No. 167-8288
Mfr. Part No.B65813J0000R087
BrandEPCOS
SGD2.438
Each
units
RM 10 Transformer 28.5 x 24.7 x 18.7mm 4200nH N87 18.7mm 28.5mm 24.7mm - - - - - -
RS Stock No. 180-799
Mfr. Part No.B65813J0000R087
BrandEPCOS
SGD3.48
1 Pair
Pair(s)
RM 10 Transformer 28.5 x 24.7 x 18.7mm 4200nH N87 18.7mm 28.5mm 24.7mm - - - - - -
RS Stock No. 483-3618
Mfr. Part No.B66421G0000X187
BrandEPCOS
SGD1.136
Each (In a Pack of 5)
units
EFD 25 DC DC converter 25 x 12.5 x 9.1mm 2000nH N87 9.1mm 25mm 12.5mm - - - - - -
RS Stock No. 167-8340
Mfr. Part No.B65684A0000R027
BrandEPCOS
SGD17.686
Each (In a Box of 20)
units
PM 62/49 DC DC converter 62 (Dia.) x 49mm 9200nH N27 - - - - - - - - -
RS Stock No. 212-5050
Mfr. Part No.B65684A0315A027
BrandEPCOS
SGD28.31
Each
units
PM 62/49 DC DC converter 62 (Dia.) x 49mm 315nH N27 - - - - - - - - -
RS Stock No. 167-8283
Mfr. Part No.B65684A0000R087
BrandEPCOS
SGD19.857
Each
units
PM 62/49 DC DC converter 76 x 64 x 55mm 9200nH N87 - 62mm 49mm - - - - - -
RS Stock No. 212-6609
Mfr. Part No.B65815E0000R041
BrandEPCOS
SGD6.33
Each
units
RM 12 - 37.6 x 29.8 x 24.6mm 6000nH N41 24.6mm 37.6mm 29.8mm - - - - - -
RS Stock No. 167-8240
Mfr. Part No.B65815E0000R041
BrandEPCOS
SGD3.686
Each (In a Box of 100)
units
RM 12 - 37.6 x 29.8 x 24.6mm 6000nH N41 24.6mm 37.6mm 29.8mm - - - - - -
RS Stock No. 167-0293
Mfr. Part No.B67345B0002X087
BrandEPCOS
SGD25.606
Each (In a Box of 8)
units
I 93/104/30 Power transformer 93 x 28 x 30mm 7900nH N87 30mm 93mm 28mm - - - - - -
RS Stock No. 647-9660
Mfr. Part No.B67345B0002X087
BrandEPCOS
SGD25.60
Each
units
I 93/104/30 Power transformer 93 x 28 x 30mm 7900nH N87 30mm 93mm 28mm - - - - - -
RS Stock No. 167-8338
Mfr. Part No.B65684A0315A027
BrandEPCOS
SGD18.50
Each (In a Box of 20)
units
PM 62/49 DC DC converter 62 (Dia.) x 49mm 315nH N27 - - - - - - - - -
RS Stock No. 212-5044
Mfr. Part No.B65684A0000R027
BrandEPCOS
SGD33.59
Each
units
PM 62/49 DC DC converter 62 (Dia.) x 49mm 9200nH N27 - - - - - - - - -
RS Stock No. 167-8318
Mfr. Part No.B65646A0250A027
BrandEPCOS
SGD13.203
Each (In a Box of 30)
units
PM 39, PM 50 Power Transformer 65 x 52 x 45mm 250nH N27 - 50mm 39mm - - - - - -
RS Stock No. 180-806
Mfr. Part No.B65684A0000R087
BrandEPCOS
SGD29.67
1 Pair
Pair(s)
PM 62/49 DC DC converter 76 x 64 x 55mm 9200nH N87 - 62mm 49mm - - - - - -
RS Stock No. 170-7466
Mfr. Part No.FS-1E-6527-00
BrandBlock
SGD11.703
Each (In a Box of 10)
units
E 65 Reactors, Transformers 65 x 27.4 x 32.8mm 7900nH N87 32.8mm 65mm 27.4mm +210°C - - - - -
RS Stock No. 167-8311
Mfr. Part No.B66421G0000X187
BrandEPCOS
SGD0.603
Each (In a Box of 650)
units
EFD 25 DC DC converter 25 x 12.5 x 9.1mm 2000nH N87 9.1mm 25mm 12.5mm - - - - - -
RS Stock No. 212-5016
Mfr. Part No.B65646A0250A027
BrandEPCOS
SGD22.14
Each
units
PM 50/39 Power Transformer - 250nH N27 - 50mm 39mm - - - - - -
RS Stock No. 212-5000
Mfr. Part No.B65646A0000R027
BrandEPCOS
SGD21.66
Each
units
PM 50/39 - - 7400nH N27 39mm 50mm - - - - - - -
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